Figure 3From: Faded shine…. The degradation of brass powder in two nineteenth century paintings Ritratto di giovane ragazza (Portrait of a young girl) (ca. 1888). Oil on canvas, 59 × 46 cm by Filippo Franzoni. (Fondazione Filippo Franzoni, Locarno, Switzerland) [Photography SIK-ISEA Zürich, (Philipp Hitz)].Back to article page